CN104104876B - A kind of method of rapid focus, device and mobile device - Google Patents
A kind of method of rapid focus, device and mobile device Download PDFInfo
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- CN104104876B CN104104876B CN201410361510.1A CN201410361510A CN104104876B CN 104104876 B CN104104876 B CN 104104876B CN 201410361510 A CN201410361510 A CN 201410361510A CN 104104876 B CN104104876 B CN 104104876B
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- coke number
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/52—Details of telephonic subscriber devices including functional features of a camera
Abstract
The present embodiments relate to mobile communication technology field, more particularly to a kind of method of rapid focus, device and mobile device.This method includes：Target focusing area in the current picture that camera is obtained is determined according to the operation of user；There is the target focusing area in picture if at least one has been focused, at least one picture of having focused to coke number according to obtaining in advance, focused for the target focusing area, wherein, the picture of having focused is the picture to coke number that wherein each region is obtained ahead of time.The number of image frames that this method is run required for drastically reduce the area in focus process, so as to improve the efficiency of focusing.
Description
Technical field
The present embodiments relate to mobile communication technology field, more particularly to a kind of method of rapid focus, device and shifting
Dynamic equipment.
Background technology
With the fast development of the various electronic equipments such as Intelligent mobile equipment (for example, smart mobile phone), electronic equipment is
It is widely used in the every field of live and work, camera function also has become the common function of electronic equipment.
At present, the focusing mode of camera is all largely by the way of contrast focusing, that is, to pass through system in mobile device
The image comparison value in focusing area is counted to judge whether image is clear, wherein, image is clearer, edge and the background letter of object
Number excessively it is faster, contrast it is bigger.
The process focused in existing focusing method is exactly constantly to count focusing area during track in often to draw
Face to coke number, find maximum to the corresponding position of coke number, be used as current focus.Fig. 1 is focusing in existing focus algorithm
The schematic diagram of value, as shown in figure 1, per two field picture in image processor (Image Signal Processor, ISP) statistics picture
To coke number, when peak-fall is passed through to certain numerical value to coke number, existing focus algorithm thinks maximum has been found
To coke number, that is, articulation point is found, as shown in figure 1, O points are articulation point.
In existing focus algorithm, focusing can all run this flow again to focusing system every time, it usually needs run several
The distance of picture or more than ten pictures can find focus, i.e. existing focus algorithm it is less efficient.
The content of the invention
The purpose of the present invention is to propose to a kind of method of rapid focus, device and mobile device, to improve pair of camera
Burnt efficiency.
On the one hand, the invention provides a kind of method of rapid focus, including：
Target focusing area in the current picture that camera is obtained is determined according to the operation of user；
There is the target focusing area in picture if at least one has been focused, according to obtaining in advance at least one
Focused picture to coke number, be target focusing area focusing, wherein, it is described that to have focused picture wherein each to be obtained ahead of time
The picture to coke number in region.
Another further aspect, the invention provides a kind of device of rapid focus, including：
Target area determining unit, for determining the target pair in the current picture that camera is obtained according to the operation of user
Burnt region；
Image determination unit, for determining there is the target focusing area at least one picture of having focused；
Focus determining unit, for coke number, being described according at least one picture of having focused described in obtaining in advance
Target focusing area is focused, wherein, the picture of having focused is the picture to coke number that wherein each region is obtained ahead of time.
On the other hand, it is quick right the invention provides what is provided in a kind of mobile device, including any embodiment of the present invention
Burnt device.
Method, device and the mobile device of the rapid focus provided in the embodiment of the present invention, it is possible to increase in mobile device
The focusing efficiency of camera.The target in the current picture that camera is obtained is determined according to the operation of user in the embodiment of the present invention
Focusing area；There is the target focusing area in picture if at least one has been focused, at least one according to obtaining in advance
Individual picture of having focused to coke number, be target focusing area focusing.That is, from picture of having focused to the position belonging to coke number
Start to focus for the target focusing area, the number of image frames run required for drastically reduce the area in focus process, so as to improve
The efficiency of focusing.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes the embodiment of the present invention
A part, does not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram to coke number in existing focus algorithm；
Fig. 2 is the implementation process figure of the method for the rapid focus provided in first embodiment of the invention；
Fig. 3 is the implementation process figure of the method for the rapid focus provided in second embodiment of the invention；
Fig. 4 is the schematic diagram of current picture in second embodiment of the invention；
Fig. 5 is the implementation process figure of the method for the rapid focus provided in third embodiment of the invention；
Fig. 6 is the structural representation of the device of the rapid focus provided in fourth embodiment of the invention；
Fig. 7 is the structural representation of the mobile device provided in fifth embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment to the embodiment of the present invention carry out in further detail with complete explanation.It can manage
Solution, specific embodiment described herein is only used for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.
It also should be noted that, for the ease of description, the part related to the embodiment of the present invention rather than entirely is illustrate only in accompanying drawing
Portion's content.
First embodiment：
Fig. 2 is the implementation process figure of the method for the rapid focus provided in first embodiment of the invention, and this method can be by
The device of rapid focus is performed, and described device can be realized by software and/or hardware, can be interior as a part for mobile device
Put inside mobile device.As shown in Fig. 2 the implementation process includes：
Step 11, the target focusing area operated in the current picture for determining camera acquisition according to user.
When user is taken pictures using camera in mobile device, the display screen of mobile device shows the current picture that camera is obtained
Face.Operation of the rapid focus device according to user to current picture, determines the target focusing in the current picture that camera is obtained
Region.Wherein user can be by clicking on the region in the current picture, selection target focusing area.
If there is the target focusing area in step 12, at least one picture of having focused, according to obtaining in advance
At least one picture of having focused to coke number, be target focusing area focusing, wherein, it is described to have focused picture to obtain in advance
Obtain the picture to coke number in wherein each region.
At least one described picture of having focused is before for target focusing area focusing, to have obtained in advance wherein
The picture to coke number in each region, i.e. for the target focusing area focusing before, in advance for described at least one
Picture of focusing is focused.
When being focused for the target focusing area, it is determined that whether there is the target at least one described picture of having focused
Focusing area, if in the presence of being the target focusing according at least one picture of having focused for obtaining in advance to coke number
Region is focused, i.e., the stepping of camera lens can leap to the position focused and start as the target focusing area pair in camera
It is burnt；Otherwise, stepping is started from scratch focuses for the target focusing area, for example, stepping is the target with drawing near again
Focusing area is focused.
The method of the rapid focus provided in first embodiment of the invention, exists at least one described picture of having focused
During the target focusing area, according to obtaining in advance at least one picture of having focused to coke number, be the target pair
Burnt region focusing, i.e., can be focused using the target focusing area obtained in advance to coke number for the target focusing area, and
During without being focused every time for different target focusing areas, restarting focus process, increasing substantially focusing efficiency.
Wherein, according to obtaining in advance at least one picture of having focused to coke number, be the target focusing area
Focusing, including：
A, from least one picture of having focused to obtained in coke number the target focusing area to coke number.
Because at least one picture of having focused of acquisition in advance is in coke number, and at least one described picture of having focused
Including target focusing area, i.e., obtained in advance target focusing area to coke number.
Wherein, from least one picture of having focused to obtained in coke number the target focusing area to coke number,
Including：Judge the current picture whether with one of them picture of having focused for same picture；If so, then the target is focused
Position of the region in current picture be corresponding coke number is defined as target focusing area to coke number；Otherwise, the mesh is calculated
Position of the focusing area in the current picture is marked, and position of the target focusing area in any picture of having focused,
Between coordinate offset amount；Pair of the target focusing area in any picture of having focused is obtained according to the coordinate offset amount
Coke number, and using this pair of coke number as target focusing area to coke number.
If the current picture, for same picture, obtains current picture in advance with one of them picture of having focused
To coke number, by corresponding pair for being defined as target focusing area to coke number in position of the target focusing area in current picture
Coke number；Otherwise, position of the target focusing area in current picture, with the target focusing area in this has focused picture
Position is different, now, position of the target focusing area in the current picture is calculated first, with target focusing area
Domain in the position in having focused picture, between coordinate offset amount；Target focusing area is obtained further according to the coordinate offset amount
Domain in the described picture of having focused to coke number, and using this pair of coke number as target focusing area to coke number.That is, by target
Focusing area present position in picture of having focused is corresponding to coke number, is used as the target focusing area in current focusing picture
To coke number.
B, according to the target focusing area to coke number, determine the focal position of the target focusing area.
Wherein, obtain target focusing area to coke number after, can specifically include：Judge the target focusing area
To in coke number with the presence or absence of meet preparatory condition to coke number, if so, being then defined as target to coke number by meet preparatory condition
To coke number, and the target is defined as to the focal position of the target focusing area to the corresponding position of coke number；Otherwise, from away from
The focusing position nearest from the target focusing area starts to focus for the target focusing area.
Wherein, preparatory condition can be the condition of determination focus in focus algorithm, and preparatory condition can pass through for focusing value
Peak-fall preset value, i.e. preparatory condition can be maximum.If the target focusing area in coke number exist meet
Preparatory condition to coke number, then be defined as target to coke number to coke number by what this met preparatory condition, and the target is focused
It is worth corresponding position and is defined as the focal position of the target focusing area, so as to completes the focusing to target focusing area.
If the target focusing area to be not present in coke number meet preparatory condition to coke number, illustrate in the position focused not
There is the focus of target focusing area, be then the target since the focusing position nearest apart from the target focusing area
Focusing area is focused.That is, continue since the focusing position nearest apart from the target focusing area, to obtain the target
Focusing area to coke number, until obtain meet preparatory condition to coke number untill.Obtain meet preparatory condition to coke number it
Afterwards, the target that is defined as to coke number for meeting preparatory condition is defined as to coke number, and the target to the corresponding position of coke number
The focus of the target focusing area.
Wherein, the operation of the current picture obtained according to user to camera, can be with before determining target focusing area
Including：For any picture of having focused, the picture of having focused is divided into multiple regions；For wherein one in the picture of having focused
During the focusing of individual region, count each region in the scene of having focused to coke number.
Before for the focusing of target focusing area, when being that any picture of having focused is focused, first the picture of having focused is drawn
Be divided into multiple regions, when being focused for one of region, count the region to coke number, also count its in the scene of having focused
His each region to coke number.Therefore, in one of region focusing in for any scene of having focused, obtain this and focused
Each region in scene to coke number.
To sum up, the method for the rapid focus provided in first embodiment of the invention determines that camera is obtained according to the operation of user
Target focusing area in the current picture taken；There is the target focusing area in picture if at least one has been focused, according to
At least one picture of having focused obtained in advance to coke number, be target focusing area focusing.That is, from picture of having focused
The starting to the position belonging to coke number of face is focused for the target focusing area, race required for drastically reduce the area in focus process
Number of image frames, so as to improve the efficiency of focusing.
Second embodiment：
Fig. 3 is the implementation process figure of the method for the rapid focus provided in second embodiment of the invention, and this method can be by
The device of rapid focus is performed, and described device can be realized by software and/or hardware, can be interior as a part for mobile device
Put inside mobile device.The embodiment is same suitable for current picture and one of picture any picture of having focused
The situation of picture.As shown in figure 3, the implementation process includes：
Step 21, for it is any focused picture focusing when, the picture of having focused is divided into multiple regions in advance, and opposite
When one of region in the picture of having focused is focused, processor counts the focusing in each region in the picture of having focused
Value.
For example, current focusing picture and picture of having focused are the picture shown in Fig. 4 in second embodiment of the invention.When right
When the a-quadrant focusing in picture of having focused as shown in Figure 4, processor can not only count in a-quadrant to coke number, together
When can also count other regions in the picture of having focused to coke number, for example count B regions and C regions to coke number.
Step 22, the target focusing area operated in the current picture for determining camera acquisition according to user.
Step 23, the corresponding target that is defined as to coke number in the position by the target focusing area in current picture are focused
Region to coke number.
Exemplified by being target focusing area by B regions, then the position by B regions in current picture is corresponding to coke number determination
It is target focusing area to coke number.
Step 24, according to the target focusing area to coke number, determine the focal position of the target focusing area, and
End operation.
For example, exemplified by being target focusing area by B regions or C regions, and use the focusing method drawn near, then
Because B regions are nearer than a-quadrant, so the current picture obtained in step 21 should not be arrived to coke number to B regions in coke number
Peak value, i.e. target focusing area are unsatisfactory for preparatory condition to coke number, then focused to B regions when, the stepping of camera lens
A focal positions can be leapt to and start focusing, without focusing of starting from scratch, so as to save focusing time.
Further, since C regions are more remote than a-quadrant, so during being focused in step 21 for a-quadrant, the focusing in C regions
The maximum of value has occurred.So focused to C regions, camera lens can be allowed to leap to before measured value, without weight
Multiple focus process.
The method for the rapid focus that second embodiment of the invention is provided, can improve the focusing speed of camera in mobile device
Degree, so as to improve the convenience of camera, to improve the experience that user uses camera.
3rd embodiment：
Fig. 5 is the implementation process figure of the method for the rapid focus provided in third embodiment of the invention, and this method can be by
The device of rapid focus is performed, and described device can be realized by software and/or hardware, can be interior as a part for mobile device
Put inside mobile device.It is not the situation of same picture that the embodiment, which is applied to current picture with any picture of having focused,.
As shown in figure 5, the implementation process includes：
Step 31, for it is any focused picture focusing when, the picture of having focused is divided into multiple regions in advance, and opposite
When one of region in the picture of having focused is focused, processor counts the focusing in each region in the picture of having focused
Value.
For example, when being focused against any region in picture of having focused, processor can not only count pair in the region
Coke number, at the same can also count other regions in the picture of having focused to coke number.
Step 32, the target focusing area operated in the current picture for determining camera acquisition according to user.
The position of step 33, the calculating target focusing area in the current picture, with the target focusing area
Position in any picture of having focused, between coordinate offset amount.
Step 34, the focusing according to coordinate offset amount acquisition target focusing area in any picture of having focused
Value, and using this pair of coke number as target focusing area to coke number.
That is, by target focusing area, present position is corresponding to coke number in any picture of having focused, as current
Focus picture in target focusing area to coke number.
Step 35, according to the target focusing area to coke number, determine the focal position of the target focusing area, and
End operation.
Specifically, judge the target focusing area in coke number with the presence or absence of meet preparatory condition to coke number, if
It is then to be defined as target to coke number to coke number by meet preparatory condition, and the target is determined to the corresponding position of coke number
For the focal position of the target focusing area；Otherwise, since the focusing position nearest apart from the target focusing area
Focused for the target focusing area.
The method of the rapid focus provided in third embodiment of the invention can improve the focusing of camera in mobile device
Speed, so as to improve the convenience of camera, to improve the experience that user uses camera.
Fourth embodiment：
Fig. 6 is the structural representation of the device of the rapid focus provided in fourth embodiment of the invention, as shown in fig. 6, this
Device described in embodiment includes：Target area determining unit 41, for determining working as camera acquisition according to the operation of user
Target focusing area in preceding picture；Image determination unit 42, for determining there is the mesh at least one picture of having focused
Mark focusing area；Focus determining unit 43, for, to coke number, being according at least one picture of having focused described in obtaining in advance
The target focusing area focusing, wherein, the picture of having focused is the picture to coke number that wherein each region is obtained ahead of time.
Wherein, the focus determining unit 43 can specifically include：Subelement is obtained to coke number, for from described at least one
Individual picture of having focused to obtained in coke number the target focusing area to coke number；Focus determination subelement, for according to institute
State target focusing area to coke number, determine the focal position of the target focusing area.
Wherein, it is described that coke number acquisition subelement can specifically be included：Image judgment sub-unit, it is described current for judging
Whether picture is same picture with one of them picture of having focused；First module is obtained to coke number, for the target to be focused
Position of the region in current picture be corresponding coke number is defined as target focusing area to coke number；It is single that offset calculates son
Member, for calculating position of the target focusing area in the current picture, with the target focusing area it is any
Focus picture in position, between coordinate offset amount；Second unit is obtained to coke number, for being obtained according to the coordinate offset amount
Take target focusing area in any picture of having focused to coke number, and using this pair of coke number as target focusing area pair
Coke number.
Wherein, focus determination subelement can specifically include：Condition judgment subelement, for judging the target focusing area
Domain in coke number with the presence or absence of meet preparatory condition to coke number；Position determination subelement, for preparatory condition will to be met
It is defined as target to coke number to coke number, and the target is defined as to Jiao of the target focusing area to the corresponding position of coke number
Point position；Focusing subelement, for being the target pair since the focusing position nearest apart from the target focusing area
Burnt region focusing.
Wherein, the device can also include：Area division unit, for for any picture of having focused, this have been focused
Picture is divided into multiple regions；Focusing Data-Statistics unit, during for being focused for one of region in the picture of having focused, system
Count each region in the scene of having focused to coke number.
The operation principle of rapid focus is similar to operation principle of the human eye when seeing object, and remaining light can when seeing object for human eye
To judge the Position Approximate of surrounding objects, focus can be quickly found when goal displacement.And in rapid focus device, if target
When focusing object in picture of having focused, it is possible to use what camera was obtained in advance focused picture to coke number, so as to improve
For the focusing efficiency of target focusing object.Therefore, the device of the rapid focus provided in fourth embodiment of the invention significantly subtracts
The number of image frames run required for having lacked in focus process, so as to improve the efficiency of focusing.
5th embodiment：
Fig. 7 is the structural representation of the mobile device provided in fifth embodiment of the invention, and the mobile device includes this hair
The device of the rapid focus provided in bright any embodiment.
For example, the mobile device can include：Target area determining unit, image determination unit and focus determining unit.
Wherein, the focus determining unit can specifically include obtaining subelement and focus determination subelement to coke number.
Wherein, it is described that coke number acquisition subelement can specifically be included：Image judgment sub-unit, to obtain first to coke number single
Member, offset computation subunit and to coke number obtain second unit；Focus determination subelement can specifically include condition judgment
Unit, position determination subelement and focusing subelement.
Wherein, the rapid focus device can also include area division unit and focusing Data-Statistics unit.
The mobile device provided in fifth embodiment of the invention, the image run required for drastically reduce the area in focus process
Frame number, so as to improve the efficiency of focusing.
The preferred embodiment of the upper only embodiment of the present invention, is not intended to limit the invention embodiment, for ability
For field technique personnel, the embodiment of the present invention can have various changes and change.All spirit and principle in the embodiment of the present invention
Within any modification, equivalent substitution and improvements made etc., should be included within the protection domain of the embodiment of the present invention.
Claims (7)
1. a kind of method of rapid focus, it is characterised in that including：
Target focusing area in the current picture that camera is obtained is determined according to the operation of user；
There is the target focusing area in picture if at least one has been focused, at least one is right according to obtaining in advance
Burnt picture to coke number, be target focusing area focusing, wherein, it is described to have focused picture wherein each region is obtained ahead of time
The picture to coke number；
Wherein, according to obtaining in advance at least one picture of having focused to coke number, be target focusing area focusing,
Including：
From at least one picture of having focused to obtained in coke number the target focusing area to coke number；
According to the target focusing area to coke number, the focal position of the target focusing area is determined；
Wherein, from least one picture of having focused to obtained in coke number the target focusing area to coke number, including：
Judge the current picture whether with one of them picture of having focused for same picture；
If so, position then by the target focusing area in current picture is corresponding to be defined as target focusing area to coke number
To coke number；
Otherwise, position of the target focusing area in the current picture is calculated, with the target focusing area any
Coordinate offset amount between the position focused in picture；Target focusing area is obtained at described according to the coordinate offset amount
One focused in picture to coke number, and using this pair of coke number as target focusing area to coke number.
2. according to the method described in claim 1, it is characterised in that according to the target focusing area to coke number, determine institute
The focal position of target focusing area is stated, including：
Judge the target focusing area in coke number with the presence or absence of meet preparatory condition to coke number, if so, then will meet
Preparatory condition is defined as target to coke number to coke number, and the target is defined as into the target pair to coke number corresponding position
The focal position in burnt region；Otherwise, it is the target pair since the focusing position nearest apart from the target focusing area
Burnt region focusing.
3. method according to claim 1 or 2, it is characterised in that working as camera acquisition is determined according to the operation of user
Before target focusing area in preceding picture, in addition to：
For any picture of having focused, the picture of having focused is divided into multiple regions；
During for one of region focusing in the picture of having focused, count each region in the scene of having focused to coke number.
4. a kind of device of rapid focus, it is characterised in that including：
Target area determining unit, for determining the target focusing area in the current picture that camera is obtained according to the operation of user
Domain；
Image determination unit, for determining there is the target focusing area at least one picture of having focused；
Focus determining unit, for according at least one picture of having focused described in obtaining in advance to coke number, be the target
Focusing area is focused, wherein, the picture of having focused is the picture to coke number that wherein each region is obtained ahead of time；
Wherein, the focus determining unit is specifically included：
Subelement is obtained to coke number, for being focused area from least one picture of having focused to obtaining the target in coke number
Domain to coke number；
Focus determination subelement, for, to coke number, determining Jiao of the target focusing area according to the target focusing area
Point position；
Wherein, it is described that coke number acquisition subelement is specifically included：
Image judgment sub-unit, for judge the current picture whether with one of them picture of having focused for same picture；
First module is obtained to coke number, it is corresponding true to coke number for the position by the target focusing area in current picture
Be set to target focusing area to coke number；
Offset computation subunit, for calculating position of the target focusing area in the current picture, with the mesh
Mark position of the focusing area in any picture of having focused, between coordinate offset amount；
Second unit is obtained to coke number, any focused described for obtaining target focusing area according to the coordinate offset amount
In picture to coke number, and using this pair of coke number as target focusing area to coke number.
5. device according to claim 4, it is characterised in that focus determination subelement is specifically included：
Condition judgment subelement, pair that preparatory condition is met to whether there is in coke number for judging the target focusing area
Coke number；
Position determination subelement, for being defined as target to coke number to coke number by meet preparatory condition, and by the target pair
The corresponding position of coke number is defined as the focal position of the target focusing area；
Focusing subelement, for being target focusing area since the focusing position nearest apart from the target focusing area
Focus in domain.
6. the device according to claim 4 or 5, it is characterised in that also include：
Area division unit, for for any picture of having focused, the picture of having focused to be divided into multiple regions；
Focusing Data-Statistics unit, during for being focused for one of region in the picture of having focused, counts the scene of having focused
In each region to coke number.
7. a kind of mobile device, including camera, it is characterised in that including the rapid focus described in claim any one of 4-6
Device.
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| CN201410361510.1A CN104104876B (en) | 2014-07-25 | 2014-07-25 | A kind of method of rapid focus, device and mobile device |
| CN201710860962.8A CN107659770B (en) | 2014-07-25 | 2014-07-25 | Method and device for rapid focusing and mobile equipment |
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| CN201410361510.1A CN104104876B (en) | 2014-07-25 | 2014-07-25 | A kind of method of rapid focus, device and mobile device |
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| CN104410779B (en) * | 2014-10-27 | 2018-03-27 | 广东欧珀移动通信有限公司 | One kind is taken pictures focusing method and device |
| CN106713726B (en) * | 2015-07-14 | 2019-11-29 | 无锡天脉聚源传媒科技有限公司 | A kind of method and apparatus identifying style of shooting |
| CN104994298B (en) * | 2015-07-14 | 2018-08-10 | 厦门美图之家科技有限公司 | A kind of the focusing triggering method and system of intelligent selection focal modes |
| CN105763802B (en) * | 2016-02-29 | 2019-03-01 | Oppo广东移动通信有限公司 | Control method, control device and electronic device |
| CN105959538A (en) * | 2016-05-05 | 2016-09-21 | 乐视控股（北京）有限公司 | Quick focusing method and quick focusing system for double cameras |
| CN106161945A (en) * | 2016-08-01 | 2016-11-23 | 乐视控股（北京）有限公司 | Take pictures treating method and apparatus |
| CN106412423A (en) * | 2016-09-19 | 2017-02-15 | 珠海格力电器股份有限公司 | Focusing method and device |
| CN111201768B (en) * | 2017-10-10 | 2022-03-22 | 深圳传音通讯有限公司 | Shooting focusing method and device |
| CN110809118A (en) * | 2019-11-12 | 2020-02-18 | 成都新舟锐视科技有限公司 | Rapid focusing method for gun and ball linkage |
| CN111131696B (en) * | 2019-12-18 | 2021-08-17 | 中移（杭州）信息技术有限公司 | Focusing method, device, terminal and storage medium |
| CN111243030B (en) * | 2020-01-06 | 2023-08-11 | 浙江大华技术股份有限公司 | Target focusing dynamic compensation method and device and storage device |
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| JP2008197286A (en) * | 2007-02-09 | 2008-08-28 | Canon Inc | Automatic focusing device and its control method, and imaging apparatus |
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| CN104104876A (en) | 2014-10-15 |
| CN107659770A (en) | 2018-02-02 |
| CN107659770B (en) | 2020-02-14 |
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